Ironing board



Oct. 29, 1929. 1, E KALGREN 1,733,306

IRONING BOARD Filed May 15 1929 3 sheets-Sheet 2 Oct. '29, 1929. J, E KALGREN 1,733,306

IRONING BOARD Filed May 15, 1929 3 sheets-Sheet 3 Patented Oct. 29, 1929 UNIED STATES Listate marar care JOHN E. KALGREN, OF MINNEAPOLIS, MINNESOTA, ASSIGNOR TO THE J. R. CLARK C0., OF MINNEAPOLIS, MINNESOTA, A CORPORATION OF MINNESOTA IRONING BOARD 'Application filed May 15,

My present invention relates to ironing boards and provides an ironing board that is] cate like parts throughout the several views.

Referring to the drawings: F ig. 1 is a perspective showing the improved board set up for use;

Fig. 2 is a fragmentary view in perspective showing the board-engaging free end portion of the oblique top brace of the board superstructure Fig. 3 is an enlarged rear elevaton of the board with parts broken away;

Fig. 4 is a bottom plan view showing the board with the super-structure folded against the board proper;

Fig. 5 is a detail in section taken onV the line 5-5 of Fig. 3; v. f

Fig. 6 is a fragmentary side elevation showing parts found in'the vicinity of theV line marked 6-6 on Fig. 1; and

Fig. 7 is a rear elevation of the parts shown in Fig. 6.

The chief -elements of thisironing board are top board 8, rear legs9, inclined third leg 10, top brace 11, rear leg braces 12 and bot-V tom brace 13. The rear legs 9 are connected to the board 8 by oblique pivots and, asshown, this oblique vpivotal connection is provided by pivoting said legs directly at 14 to oblique ears 15 of-a metal strap 16 that extends transversely of the rear portion and is rigidly secured to the board 8 by rivets or the like.I The oblique third leg 10 is pivotally connected to the bottom of the reardportion of the board 8,

being, as shown, directly pivote'd at 17 to spaced angle brackets 18 that are rigidly secured to the board by rivets or the like.

The board 8, legs 9 and 10, and top brace 11 are preferably in the form of wooden bars, but the rear leg braces 12 are preferably flat metal straps. These metal straps that constitute the rear leg brace or braces 12 at their 1929. Serial No. 363,207.

upper ends, are pivotally connected at 19 to the oblique third leg 10 at,a point forwardly ofiset from its pivot 17 and at their lower portions above their extreme lower ends, the brace straps 12 are pivotally connected to the respective rear legs 9 at 20. This provides the brace straps 12 with relatively short depending crank-acting extensions 12a that are bent laterally away from the respectivelegs 9. The top brace 11 is aforded by diverging bars, the free upper ends of. which are tied together by a link 21 and the lower ends of I which are provided with rigidly secured metallic end extensions lla. i

The bottom brace 13 is preferably atforded by a heavy wire or light metal rod bent upon itself to form diverging' legs pivotally connected to the lower portion of the leg` 10 at 22. The legs of brace 13 slide freely through the lugs of U-shaped metallic guide heads 23. These guide heads 23, the crank-acting lower end portions 12a and rear leg braces 12, and the metallic extensions 11n of the top brace 11 are pivotally connected at each side of the table by a common pivot such as a rivet 24. The ends of the arms of the brace' y13 are formed with heads 13a that act as stops against the guide heads 23 when the table is set up, as shown in Fig. 1. The free end of the top brace 11, that is, of the bars forming the same are adapted to be interlocked to the top of the board by engagemcnt with a cross cleat 25 secured on the bottom of the board at its intermediate portion. By reference particularly to Fig. 7 it will be noted that the crank-acting lower end extensions 12a of the rear leg braces 12 are bent and laterally offset from the corresponding legs 9 so asito afford clearance for the lower ends of the bars of the top brace 11.

lWhen the table is folded up, as shown in Fig. 4, all of the parts of the super-structure will be folded fiatwise against the board 8 and the rear legs 9 will then be toward each other fagi` enough to bring the same within the width of the board 8. VVhen the board is set up, the free end of the top brace 11 will be forced into interlocking engagement or so that it will thrust against the cleat 25. lVhen this is done, the heads 13 of the botf within the said tom brace 13 will be tightly drawn against' the guide heads 23 and all of the parts of the super-structure will then be put under tension so that they support for the board. lVhen the legs 9 and 10 are turned into operative positions, as shown in Fig. 1, the legs 9 will be spread apart so that their lower ends will span a space Vmuch wider than the width of' the board 8. t

The spreading action, when the legs are turned down, and drawing-in action of the legs 8, when folded, is due, in part to the oblique arrangement of the hinge lugs 15 and is further rendered positive by a crank-acting. action between the rear leg braces 12 and oblique third leg 10.

Obviously, when the legs are turned down, the pivot 19 is moved farther away from the board than when the parts are folded and this movement permits and co-operates in causing the legs 9 to spread apart when turned down. When, however, the legs are folded against the board, thepivot l-19 is moved closer to the board ,thanin Fig. 1, thereby drawing on the braces 12 with a force that brings the legs 9 closer together and within the range of theflboard-as above described. Also when the legs are turned down to operative positions, the crank-acting end extensions 12 of the leg braces impartmovementsl to the guide heads 23 which accelerate the engagement between said guide heads and the headed ends 12a of the bottom brace.

Also the thrust from the top brace 11 i imb parted directly to' the crank-acting means 12a and directly to the guide heads 23, and this direct connection reduces to a minimum the amount of play between parts and consequently materially co-operates in providing a rigid super-structure for supporting the board; 4` Y .It is important to note that the pivotal connection between the oblique third leg 10 and the board isI considerable at the rear of 4the pivotal connections between the rear legs 9 and the board. This the pivotal connection 19 between the rear leg braces 12 landleg 10 in the plane of the rear .legs and provides an arrangement lin which, under ments, the rear leg braces 12 tially in the plane of the rear legs and are given their spreading and contracting movements while they are always substantially lane of the` rear legs.

Not only is t e construction of. the above described ironing board extremely simple, easily operated and 4very rigid, but it is light and is of such character that a high-grade board may be manufactured at comparatively low cost. Obviously, the invention above described is capable of modifications within the sope of the invention as herein disclosed and claimed.l

will afford a very rigid 1 arrangement brings f folding-and spreading moveremain substan- What I claim is:

1. The combination with a board, of rear legs pivoted to said board, an oblique third eg pivoted to the board and extended forwardly from said rear legs, rear leg braces connected to the intermediate portions ofA said rear legs and pivotally connected to said oblique third leg at a point forward of its pivotal connection to said board, a top brace connected to said rear legs and detachably engageable with thetop board, and a bottom brace connectingthe lower portions of said rear and oblique legs'for limited'forward and rearward spreading movements, but permit- Vting folding movements thereof.

2. The combination .with aboard, of rear legs pivotally` connected to the rear portion thereof, an oblique third leg pivotally connected toQ the rear portion of said board and extended forward from said rear legs, rear leg braces pivotally connected at their upper ends to said oblique leg forward of its pivotal connection to theboard, the lower portionsof said rear leg vbraces being pivotally connected to the lower portions of the respective rearlegs and having crank-actng .lower end extensions' beyond said latter noted pivots, guide lheadsl applied to .the crank-acting lower end extensions of said lrear leg braces, a bottom brace pivoted to the lower portion of said oblique third leg and having rod-like portions mounted for limited sliding movements through the guide heads on the lower end extensions of saidrear leg braces, and a top race comprising bars pivotally connectedto the rear end extensions of said rear leg braces and detachably engageable with the.

bottom of said board.

3. The structure defined in claim 1 in which said rear legs are connected to said board by oblique pivots designed to impart spreading .movements of the rear legs corresponding to the spreading movement produced by the rear leg braces. 4. The structure defined in claim 2 in which said rear legs are connected to said board by w oblique pivots designed to, impart spreading movements of the rear legs corresponding to the spreading movement produced by the rear leg braces.

.5. The structure defined in claim 1 in which the pivotal .connection between said oblique 'third leg and the board is materially at the rear of the pivotal'connections between the rear legs and the board, and the pivotal con- .nection between the rear leg braces and said third rear leg is substantially in the plane of of the rear legs.

6. The 'structure defined in claim 2 in which the pivotal connection between'said oblique 5 third leg and the board is materially. at the rear of the pivotal Connections between the rear legs and the board,'and the pivotal connectionv between the .rear leg braces .and lsaid third rear leg is substantiallj7 in the plane of the rear legs.|

7 The combination with a board, rear legs I e. the rear legs and pivotally connected to the rear portions of the board, diverging rear leg braces pivotally connected at their upper ends to the oblique third leg at a point for- Ward of its pivotal .connection to the board,r

the lower ends of said rear leg braces being pivotally connected to the lower portions of the respective rear legs and having crankacting extensions below said latter noted pivotsl` a top brace comprising bars detachabl)T engageable with the top board at their converging ends and at their lower ends pivotally connected to the crank-acting lower end extensions of said rear leg braces, guide heads connected to the crank-acting lower end extensions of said rear leg braces, and a bottom brace comprising rods connected to the lower portion of said oblique third leg and slidably engageable through said guide heads and having headed ends arranged to stop against the same when the table-supporting legs are set up.

8. The structure defined in claim 7 in which the crank-acting lower end extensions of said rear leg braces are laterally oifset from the corresponding legs to afi'ord clearance for the lower portions of the bars of said top brace.

9.` The structure defined in claim 7 in which said guide heads are pivoted members conL nected to the crank-acting end extensions of said rear leg braces and to the lower ends of the bars of said oblique brace by common pivots.

In testimony whereof I alfix my slgnature.

JOHN E. KALGREN. 

